First round of dead file removal

experimental/visual_studio_plugin/src/NaClVsx.Package/Installation/InstallHelp.cs

-using System;
-using System.Collections;
-using System.Collections.Generic;
-using System.ComponentModel;
-using System.Configuration.Install;
-using System.Data;
-using System.Diagnostics;
-using System.Linq;
-using System.Windows.Forms;
-using Google.NaClVsx.Installation;
-using Microsoft.Win32;
-
-
-namespace Google.NaClVsx
-{
-  [RunInstaller(true)]
-  public partial class InstallHelp : Installer
-  {
-    private static readonly string kVsName = "devenv";
-
-    private static readonly string[] kVsRegKeys = new string[] {
-        @"HKEY_CURRENT_USER\Software\Microsoft\VisualStudio\9.0\Setup\VS",
-        @"HKEY_LOCAL_MACHINE\Software\Microsoft\VisualStudio\9.0\Setup\VS",
-    };
-
-    private static readonly string kVsRegValue = "EnvironmentPath";
-
-    private static readonly int kTimeout = 100;
-
-
-    public InstallHelp()
-    {
-      InitializeComponent();
-      progress_.Cancelled += new EventHandler(OnProgressCancelled);
-      worker_.RunWorkerCompleted += new RunWorkerCompletedEventHandler(WorkerCompleted);
-    }
-
-    void OnProgressCancelled(object sender, EventArgs e)
-    {
-      worker_.CancelAsync();
-    }
-
-    void WorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
-    {
-      if (e.Error != null) {
-        MessageBox.Show(progress_, e.Error.Message, "Install Error");
-        progress_.Cancel();
-      } else {
-        progress_.DialogResult = DialogResult.OK;
-        progress_.Close();
-      }
-    }
-
-    public override void  Install(IDictionary stateSaver) {
-      var vsProcesses = new List<Process>(Process.GetProcessesByName(kVsName));
-      if (vsProcesses.Count > 0) {
-        progress_.Text = "Preparing to install";
-        progress_.Message = "Closing Visual Studio...";
-        var onLoad = new EventHandler(OnProgressLoadInstall);
-        progress_.Load += onLoad;
-
-        var workerfn = new DoWorkEventHandler(KillVsWorker);
-        worker_.DoWork += workerfn;
-
-        var result = progress_.ShowDialog();
-
-        worker_.DoWork -= workerfn;
-        progress_.Load -= onLoad;
-
-        // If we canceled, we need to let the installer know.
-        if (result == DialogResult.Cancel) {
-          throw new InstallException("Operation cancelled");
-        } 
-      }
-
-      base.Install(stateSaver);
-    }
-
-    private void OnProgressLoadInstall(object sender, EventArgs e) {
-      var workerfn = new DoWorkEventHandler(KillVsWorker);
-      worker_.DoWork += workerfn;
-
-      var result = MessageBox.Show(
-          null,
-          "Installation cannot proceed until Visual Studio is closed.\n" +
-          "Close Visual Studio automatically?\n" +
-          "(Select 'Yes' to close Visual Studio automatically. Select 'No' to close it yourself. Select 'Cancel' to abort the install process.",
-          "Installer",
-          MessageBoxButtons.YesNoCancel,
-          MessageBoxIcon.Question,
-          MessageBoxDefaultButton.Button1,
-          MessageBoxOptions.ServiceNotification);
-      if (result != DialogResult.Cancel) {
-          worker_.RunWorkerAsync(result);
-      } else {
-        progress_.DialogResult = result;
-        progress_.Close();
-      }
-    }
-
-    public override void Commit(IDictionary savedState)
-    {
-      var workerfn = new DoWorkEventHandler(RunDevenvSetupWorker);
-      worker_.DoWork += workerfn;
-      progress_.Text = "Finalizing";
-      progress_.Message = "Registering package with Visual Studio...";
-
-      var onLoad = new EventHandler(OnProgressLoadCommit);
-      progress_.Load += onLoad;
-      var result = progress_.ShowDialog();
-      worker_.DoWork -= workerfn;
-
-      if (result == DialogResult.Cancel) {
-        MessageBox.Show(
-            null,
-            "Setup was unable to automatically register " +
-            "components with Visual Studio.\n" +
-            "To register the Native Client support components manually, " +
-            "run 'devenv.exe /setup' from a Visual Studio command prompt.",
-            "Registration Failure",
-            MessageBoxButtons.OK,
-            MessageBoxIcon.Warning,
-            MessageBoxDefaultButton.Button1,
-            MessageBoxOptions.ServiceNotification);
-      }
-
-    }
-
-    private void OnProgressLoadCommit(object sender, EventArgs e) {
-      worker_.RunWorkerAsync();
-    }
-
-    void KillVsWorker(object sender, DoWorkEventArgs e)
-    {
-      BackgroundWorker worker = sender as BackgroundWorker;
-      DialogResult shouldKill = (DialogResult)e.Argument;
-
-      var vsProcesses = new List<Process>(Process.GetProcessesByName(kVsName));
-      foreach (var vsProcess in vsProcesses)
-      {
-        while (!vsProcess.HasExited && !worker.CancellationPending)
-        {
-          if (shouldKill == DialogResult.Yes) {
-            vsProcess.CloseMainWindow();
-          }
-          vsProcess.WaitForExit(kTimeout);
-        }
-      }
-    }
-
-    private void RunDevenvSetupWorker(object sender, DoWorkEventArgs e)
-    {
-      BackgroundWorker worker = sender as BackgroundWorker;
-      string devenv = null;
-
-      foreach (var vsRegKey in kVsRegKeys) {
-        devenv = (string)Registry.GetValue(vsRegKey, kVsRegValue, null);
-        if (devenv != null) break;
-      }
-
-      if (devenv == null) {
-        throw new InstallException("Could not find devenv.exe");
-      }
-      var vsProcess = Process.Start(devenv, "/setup");
-      while (!vsProcess.HasExited && !worker.CancellationPending)
-      {
-        vsProcess.WaitForExit(kTimeout);
-      }
-    }
-
-
-    private ProgressForm progress_ = new ProgressForm();
-  }
-}